6623636253043 has 2 divisors, whose sum is σ = 6623636253044. Its totient is φ = 6623636253042.

The previous prime is 6623636253041. The next prime is 6623636253077. The reversal of 6623636253043 is 3403526363266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6623636253043 - 2¹ = 6623636253041 is a prime.

Together with 6623636253041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6623636253041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311818126521 + 3311818126522.

It is an arithmetic number, because the mean of its divisors is an integer number (3311818126522).

Almost surely, 2^{6623636253043} is an apocalyptic number.

6623636253043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623636253043 is an equidigital number, since it uses as much as digits as its factorization.

6623636253043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 49.

The spelling of 6623636253043 in words is "six trillion, six hundred twenty-three billion, six hundred thirty-six million, two hundred fifty-three thousand, forty-three".